Merge pull request #379 from glevv/deprecation-clean

Deprecation clean up

Author: PaulWestenthanner

category_encoders/one_hot.py

@@ -142,7 +142,7 @@ def generate_mapping(self):
             new_columns = []
 
             append_nan_to_index = False
-            for cat_name, class_ in values.iteritems():
+            for cat_name, class_ in values.items():
                 if pd.isna(cat_name) and self.handle_missing == 'return_nan':
                     # we don't want a mapping column if return_nan
                     # but do add the index to the end

category_encoders/wrapper.py

@@ -62,7 +62,7 @@ def fit(self, X, y, **kwargs):
         labels = labels.iloc[:, 1:]  # drop one label
 
         # train the feature encoders
-        for class_name, label in labels.iteritems():
+        for class_name, label in labels.items():
             self.feature_encoders[class_name] = copy.deepcopy(self.feature_encoder).fit(X, label)
 
     def transform(self, X):
@@ -109,7 +109,7 @@ def fit_transform(self, X, y=None, **fit_params):
         all_new_features = pd.DataFrame()
 
         # fit_transform the feature encoders
-        for class_name, label in labels.iteritems():
+        for class_name, label in labels.items():
             feature_encoder = copy.deepcopy(self.feature_encoder)
             encoded = feature_encoder.fit_transform(X, label)